The Body Part Nasopharynx is identified by letter "N" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 09CN
Extirpation of Matter from Nasopharynx, Open Approach
Extirpation of Matter from Nasopharynx, Endo
Extirpation of Matter from Nasopharynx, Perc Endo Approach
Extirpation of Matter from Nasopharynx, Via Opening
Extirpation of Matter from Nasopharynx, Perc Approach